tape_3590.7ad0ac <bus ID of the tape device>: MIM SEV=<SEV>, MC=<message code>, ES=<exception>/<required service action>, RC=<refcode>-<mid>-<fid>
Explanation
This is an operating system independent information message that was
issued by the tape unit. The information in the message is intended for
the IBM customer engineer.
User response
See to the documentation for the tape unit for further information.